40324140013 has 4 divisors (see below), whose sum is σ = 40451345820. Its totient is φ = 40196934208.

The previous prime is 40324140001. The next prime is 40324140037. The reversal of 40324140013 is 31004142304.

40324140013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9587738889 + 30736401124 = 97917^2 + 175318^2 .

It is a cyclic number.

It is not a de Polignac number, because 40324140013 - 2¹³ = 40324131821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40324140613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63602428 + ... + 63603061.

It is an arithmetic number, because the mean of its divisors is an integer number (10112836455).

Almost surely, 2^40324140013 is an apocalyptic number.

It is an amenable number.

40324140013 is a deficient number, since it is larger than the sum of its proper divisors (127205807).

40324140013 is a wasteful number, since it uses less digits than its factorization.

40324140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127205806.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40324140013 its reverse (31004142304), we get a palindrome (71328282317).

The spelling of 40324140013 in words is "forty billion, three hundred twenty-four million, one hundred forty thousand, thirteen".